A rocket was launched at a 35-degree angle above the horizontal at an initial velocity of +55 m/s. What is the Vy and Vx of this rocket? * O Vy= 31.55 m/s; Vx = 45.05 m/s %3D O Vy= 45.05 m/s; Vx = 31.55 m/s Vy = 20 m/s; Vx = 80 m/s Vy= 80 m/s; Vx = 20 m/s
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- A student stands at the edge of a cliff and throws a stone horizontally over the edge with a speed of vo 19.5 m/s. The cliff is h = 37.0 m above a flat, horizontal beach as shown in the figure. (a) What are the coordinates of the initial position of the stone? Xo Yo m m (b) What are the components of the initial velocity? Vox Voy m/s m/s (c) Write the equations for the x- and y-components of the velocity of the stone with time. (Use the following as necessary: t. Let the variable t be measured in seconds. Do not include units in your answer.) ya (d) Write the equations for the position of the stone with time, using the coordinates in the figure. (Use the following as necessary: t. Let the variable t be measured in seconds. Do not state units in your answer.) (e) How long after being released does the stone strike the beach below the cliff? (f) with what speed and angle of impact does the stone land? m/s below the horizontal1 6) Bob wants to measure the height of a cliff. Unfortunately, he only has with him a stopwatch and a baseball. Luckily, he has a plan. While Jane stays at the bottom of the cliff, Bob climbs up the cliff face. When he reaches the top, he throws the baseball as hard as he can, with a velocity of 33.7 m/s at an angle of 22.5°. Some time later, Jane shouts that the ball landed 127 m from the bottom of the cliff. a) If Bob threw the ball from 1.50 m above the clifftop, how high is the cliff itself? stv MacBook Pro X End N Camera Off Live Photo & %3D 6. 8. 6. de Y U P. %3D J. K トIn the projectile motion experiment, if the shooting angle is 0 degree, the height is 15 meter and the ball landed at 20 meters away on the ground. How much is the initail speed of the ball? 20 m/s 30 m/s 15.66 m/s O 11.43 m/s